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Marchand Electronics Inc.

PO Box 18099, Rochester NY 14618

Tel:(585) 423 0462  Fax:(585) 423 9375

[email protected] www.marchandelec.com

(c)2006 Marchand Electronics Inc.

MB26 Push-pull tube amplifier

Marchand Electronics Inc        www.marchandelec.com  585 423 0462  

Summary of Contents for MB26

Page 1: ...Box 18099 Rochester NY 14618 Tel 585 423 0462 Fax 585 423 9375 info marchandelec com www marchandelec com c 2006 Marchand Electronics Inc MB26 Push pull tube amplifier Marchand Electronics Inc www ma...

Page 2: ...hm 3W C1 0 047uF 250V film C2 0 22uF 250V film C3 0 047uF 250V film C4 0 47uF 250V film V1 12AX7WA dual triode V2 EL84 pentode __________________________________________ R13 nu R14 1K00 1 metal film R...

Page 3: ...es 2 12AX7WA dual triode 2 EL84 pentode 1 transformer P3622 w hardware 1 transformer Hammond 1608 1 2 pos small terminal blocks 1 3 pos small terminal blocks 2 4 pos small terminal blocks 4 9 pin tube...

Page 4: ...Top view component side of assembled circuit board The tube sockets are installed on the other side solder side of the board Marchand Electronics Inc www marchandelec com 585 423 0462...

Page 5: ...rom the secondary are soldered into holes D and E The leads are magnet wire with poly insulation this insulation will melt away with the heat from the soldering iron When soldering these leads apply e...

Page 6: ...s terminal block These are for the feedback from the speaker terminals Twist these two wires togeter Shielded wire to IN abd GND near R10 Connect the shield to GND center wire to IN Mount the top plat...

Page 7: ...1k R9A 50k R1A 10K R8B 1k R9B 50k R16 10K U5 R12A 200 R10A 100k C4A 0 47 U4 R10B 100k C4B 0 47 R12B 200 C2A 0 22 F C2B 0 22 F R14 1k R15 19 1K R11A 1k R11B 1k L1 20H L2 20H L3 80mH C7 100 F C6 100 F C...

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